Staggered medium-height center knobs are ramped to reduce rolling resistance while fairly aggressive corner knobs provide excellent cornering gripThe CST Patrol mountain bike tire features a versatile tread pattern suitable for a broad range of conditionsSC - Single compound, one compound throughout the tread optimized for longevity and performanceStandard29x2.1622WireBk/Bsk6577027SCNoUPC/EAN/GTIN: 6933882514416